PLL... IT'S URGENT..
factorise 2x^2+x+4 by completing the square method
Anonymous:
no. im done answering ur freàkin questions. if u have at least a bit of self respect, go away
some people don't understand the meaning of no
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2x square + x+ 4=0 4x square+2x+8=0 (2x)square+2*x*1+1square-1square-8=0 (2x+1)square-9=0 (2x+1)square=(3)square
2x+1=+-3
2x+1=3
2x=3-1
2x=2
x=2
if -3
2x+1=-3
2x=-3-1
2x=-4
x=-2
hope,this helps u! :)
2x+1=+-3
2x+1=3
2x=3-1
2x=2
x=2
if -3
2x+1=-3
2x=-3-1
2x=-4
x=-2
hope,this helps u! :)
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